The first slaves were introduced into the English-American colonies by a Dutch trader, who, in 1619, sold twenty of them to the settlers at Jamestown, Va.
He did this to put an end to slavery.
These people did invade China, but their raids were not successful.
Answer:
the noble experiment
Explanation: It is no mistake that President Herbert Hoover's 1928 description of Prohibition as "a great social and economic experiment, noble in motive and far-reaching in purpose" entered the popular lexicon as "the noble experiment." It was unfortunate for the entire nation that the experiment failed as miserably as it did.
Answer:
social ,economic human rights maybe